【正文】 t reall。The end of our life, and can meet many things really do?　　而窮盡我們的一生，又能遇到多少事情是真正地非做不可？During my childhood, think lucky money and new clothes are necessary for New Year, but as the advance of the age, will be more and more found that those things are optional?？傆X得自己自己似乎應(yīng)該去做點(diǎn)什么，或者寫點(diǎn)什么。 May be back in the past, to oneself the paranoid weird belief disillusionment, these days, my mind has been very messy, in my mind constantly. Always feel oneself should go to do something, or write something. Twenty years of life trajectory deeply shallow, suddenly feel something, do it.　　一字開頭的年齡已經(jīng)到了尾聲。s actions.CSKA said they were surprised and disappointed by Toure39。s 21 win.Michel Platini, president of European football39。for the racist behaviour of their fans durings about how he felt and I would like to speak to him first to find out what his experience was.Uefa hass 150th anniversary celebrations and will attend City39。Employment tribunals.The (lack of) air up there Watch mCayman Islandsbased Webb, the head of Fifa39。To find your nearest CAB, including those that give advice by , click ona damagesbased agreement, you should make sure you39。t charge you more than 35% of your pensation Further help.If you are being represented by a solicitor at the tribunal, they may ask you to sign an agreement where you pay their fee out of your pensation if you win the case. This is known as aagainst the disciplinary action your employer has taken against you. However, if you win your case, the tribunal may reduce any pensation awarded to you as a result of your failure to appeal.Remember that in most cases you must make an application to an employment tribunal within three months of the date when the event you are plaining about happened. If your application is received after this time limit, the tribunal will not usually accept i.If you are worried about how the time limits apply to you, take advice from one of the organisations listed undert your employer dismisses you and you think that you have been dismissed unfairly.For more information about dismissal and unfair dismissal, see you don39。 P2 = _crol_(P2,1)。}void T1_INT() interrupt 3{ TH0 = 45000/256。 TL0 = FRQ。 else P2 = 0x00。 TR1 = !TR1。 //延時(shí) Led=1。 }}void Open(){ Led=0。 beep4=1。b) { beep4=0。 } for(b=200。c0。 beep4=1。c0。a) { beep4=0。 }}void sound4(){ for(a=200。 beep3=1。b) { beep3=0。 }for(b=200。c0。 beep3=1。c0。a) { beep3=0。 }}void sound3(){for(a=200。 beep2=1。b) { beep2=0。 } for(b=200。c0。 beep2=1。c0。a) { beep2=0。 }}void sound2(){ for(a=200。 //延時(shí) beep1=1。b) { beep1=0。 } for(b=200。c0。 beep1=1。c0。a) //a循環(huán)用變量,影響聲音 { beep1=0。}void sound1() //蜂鳴器發(fā)聲子函數(shù){ for(a=200。y0。x0。 uchar y。 if(k8==0) Open()。 if(k6==0) Open()。 if(K4==0) //按鍵4是否按下 sound4()。 if(K2==0) //按鍵2是否按下 sound2()。 Delayms(1)。 P3=0xff。 TR1 = 0。 IP = 0x01。 IT0 = 1。 TH0 = 0x00。 }} void main() //主函數(shù){ P2 = 0x00。i120。 void Delayms(uint ms) //毫秒延遲函數(shù){ uchar i。 uchar a,b,c。void sound4()。void sound2()。void delay(uint z)。sbit Led=P3^0。sbit k7=P3^6。sbit k5=P3^4。sbit K3=P1^5。sbit K1=P1^7。sbit beep3=P1^2。附錄C：源代碼include //頭文件include define uchar unsigned char //宏定義define uint unsigned int sbit beep1=P1^0。一個(gè)單片機(jī)系統(tǒng)能否正常運(yùn)行，應(yīng)先檢查它有沒有正確的復(fù)位電路。復(fù)位功能的可靠性，適合6V電壓的電容震蕩電路，復(fù)位信號(hào)的周期可以大于兩個(gè)機(jī)器周期。初始化時(shí)，需要兩部分外部電路。在8051中RST引腳是一個(gè)輸入復(fù)位鍵，復(fù)位鍵高電平信號(hào)有效，要保證24倍以上的時(shí)鐘周期（即2個(gè)機(jī)器周期）。其主要功能是把初始地址設(shè)為0000H，使單片機(jī)從0000H的地址開始運(yùn)行程序。當(dāng)在當(dāng)做輸入口時(shí)，必須把相應(yīng)的端口置1來鎖閉輸出?？梢岳酶淖冸娮璧妮敵龃笮。苯拥爻洚?dāng)震蕩開路，不需要添加外部電阻。P3口的輸出級(jí)別小于P1，可以在里面繪制負(fù)載電阻，每一個(gè)都能驅(qū)動(dòng)4個(gè)LS型TTL負(fù)載輸出。使數(shù)據(jù)能夠鎖存輸出，數(shù)據(jù)可以及時(shí)緩沖，其余四個(gè)具有相同的功能。每一個(gè)I / O線可作為獨(dú)立的入口和出口。8051單片機(jī)有4個(gè)8并行的I / O端口，分別為P0，P1，P2和P3。上述三個(gè)重疊的內(nèi)存空間地址，用8051指令系統(tǒng)的傳輸不同的數(shù)據(jù)和使用的功能區(qū)分。（2）外部數(shù)據(jù)存儲(chǔ)器地址空間為64KB，地址是從0000H到 FFFFH（含16個(gè)地址）的位置排列也。 8051的存儲(chǔ)器按物理結(jié)構(gòu)劃分可分為程序存儲(chǔ)器空間和數(shù)據(jù)存儲(chǔ)空間，共有四個(gè)內(nèi)存空間，按結(jié)構(gòu)位置的不同分為內(nèi)部程序存儲(chǔ)空間、外部程序存儲(chǔ)空間、內(nèi)部數(shù)據(jù)存儲(chǔ)空間和外部數(shù)據(jù)存儲(chǔ)空間。在訪問的內(nèi)存，不管是ROM和RAM，只有一個(gè)地址對(duì)應(yīng)一個(gè)內(nèi)存單元，都要按這個(gè)順序訪問。MCS 51系列單片機(jī)和一般電腦的處理方式不同。8058758031數(shù)據(jù)存儲(chǔ)器的內(nèi)存為128B，默認(rèn)地址是00FH，用于保存中間數(shù)據(jù)和緩存。在8051中有ROM（程序存儲(chǔ)器，只能讀取），和RAM（數(shù)據(jù)存儲(chǔ)器，可以讀和寫），他們有各自獨(dú)立的內(nèi)存地址空間，也有相同的處理方式。該脈沖信號(hào)，即為8051的工作周期，是最小的時(shí)間單位。該程序計(jì)數(shù)器是有兩對(duì)8或16位計(jì)數(shù)器，它是一個(gè)字節(jié)地址計(jì)數(shù)器，在個(gè)人電腦運(yùn)行程序時(shí)，執(zhí)行下一個(gè)單元的內(nèi)容，程序執(zhí)行時(shí)可以改變它的內(nèi)容從而改變運(yùn)行的結(jié)果。有記憶功能并執(zhí)行命令。此外，ACC往往被視為對(duì)8051內(nèi)的數(shù)據(jù)傳輸中轉(zhuǎn)站。其中，CPU是單片機(jī)的核心，它是單片機(jī)的控制和指揮中心，ALU算數(shù)邏輯運(yùn)算單元可進(jìn)行算術(shù)運(yùn)算和邏輯運(yùn)算，由1個(gè) 8暫時(shí)存儲(chǔ)器，和2個(gè) 8位的累加器組成。(8)振蕩器和時(shí)鐘產(chǎn)生電路，需要外部電源的石英晶體微調(diào)電路，允許接在12V的振蕩頻率上。(6)五個(gè)中斷源控制系統(tǒng)。(4)4個(gè)8排的I / O并行接口P0 ~P3，每個(gè)口可以用作輸入，也可以用作輸出。（3）程序存儲(chǔ)器ROM / EPROM中（4KB/8KB），用來保存程序和一些初始數(shù)據(jù)。一個(gè)單片機(jī)的系統(tǒng)是由以下幾部分組成：(1)一個(gè)8位CPU微處理器。它包含很多種這類型的單片機(jī)，如8051，8031，8751，80C51BH，80C31BH等，它們的基本組成，基本性能和指令系統(tǒng)都是一樣的。s head and monitor the pin with the oscillograph tentatively, push and is restored to the throne the key, the wave form that observes and has enough range is exported (instantaneous), can also through is it restore to the throne circuit group holding value carry on the experiment to change.附錄B：中文翻譯51系列單片機(jī)的結(jié)構(gòu)和功能51系列單片機(jī)是英特爾公司生產(chǎn)的具有一定結(jié)構(gòu)和功能的單片機(jī)產(chǎn)品。t mistake, in order to extricate oneself from a predicament , need to be pressed and restored to the throne the key restarting too. It is an input end which is restored to the throne the signal in 8051 China RST pin. Restore to the throne signal high level effective , should sustain 24 shake cycle (namely 2 machine cycles ) the above its effective times. If 6 of frequency of utilization brilliant to shake, restore to the throne signal duration should exceed 4 delicate to finish restoring to the throne and operating. Produce the logic picture of circuit which is restored to the throne the signal:Restore to the throne the circuit and include two parts outside in the chip entirely. Outside that circuit produce to restore to the throne signal (RST ) hand over to Schmitt39。s accumulation device ACC, register B an